Finding the Fourth Proportional to 32,498.48, 48,729.36 and 21,411.20

Step by Step Solution

1. Step 1: Write the proportion equation
   32,498.48 : 48,729.36 = 21,411.20 : x
2. Step 2: Convert to fraction form
   32,498.48/48,729.36 = 21,411.20/x
3. Step 3: Cross multiply
   32,498.48x = 48,729.36 × 21,411.20
4. Step 4: Simplify right side
   32,498.48x = 1,043,354,072.83
5. Step 5: Solve for x
   x = 1,043,354,072.83/32,498.48
6. Step 6: Final answer
   x = 32,104.70